function contact()
{
	var f_name=document.getElementById('f_name').value;
	var l_name=document.getElementById('l_name').value;
	var p_no=document.getElementById('p_no').value;
	var time_reach=document.getElementById('t_reach').value;
	var e_mail=document.getElementById('e_mail').value;
	var captcha=document.getElementById('captcha').value;
	var reg =/^([A-Za-z_]*)$/;
	var p_reg=/^[+0-9\s\.()\-+\,]{6,20}$/;
	var e_reg=/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$/;
	
	if(f_name=="")
	{
		document.getElementById('err_msg').innerHTML="First name is mandatory";
		document.getElementById('f_name').focus();
		return false;
	}
	else if (reg.test(f_name) == false) 
	{
		document.getElementById("err_msg").innerHTML = "You have an error in first name";
		document.getElementById("f_name").focus();
		return false;
	}
	else if(l_name=="")
	{
		document.getElementById('err_msg').innerHTML="Last name is mandatory";
		document.getElementById('l_name').focus();
		return false;
	}
	else if (reg.test(l_name) == false) 
	{
		document.getElementById("err_msg").innerHTML = "You have an error in last name";
		document.getElementById("l_name").focus();
		return false;
	}
	else if(p_no=="")
	{
		document.getElementById('err_msg').innerHTML="Phone no is mandatory";
		document.getElementById('p_no').focus();
		return false;
	}
		else if (p_reg.test(p_no) == false) 
	{
		document.getElementById("err_msg").innerHTML = "You have an error in phone no";
		document.getElementById("p_no").focus();
		return false;
	}
	else if(time_reach=="")
	{
		document.getElementById('err_msg').innerHTML="Best time to reach is mandatory";
		document.getElementById('t_reach').focus();
		return false;
	}
	else if(e_mail=="")
	{
		document.getElementById('err_msg').innerHTML="Email address is mandatory";
		document.getElementById('e_mail').focus();
		return false;
	}
	else if (e_reg.test(e_mail) == false) 
	{
		document.getElementById("err_msg").innerHTML ="You have an error in email";
		document.getElementById("e_mail").focus();
		return false;
	}
	else if (captcha == "") 
	{
		document.getElementById("err_msg").innerHTML ="Verification Code is mandatory";
		document.getElementById("captcha").focus();
		return false;
	}
	else
	{
		return true;
	}
	
}